Issue #3137119 by munish.kumar, johnwebdev, Jaypan, jungle, xjm, catch: User::setExistingPassword() does not return $this for chaining

core/modules/user/src/Entity/User.php

@@ -398,6 +398,7 @@ class User extends ContentEntityBase implements UserInterface {
    */
   public function setExistingPassword($password) {
     $this->get('pass')->existing = $password;
+    return $this;
   }
 
   /**

core/modules/user/tests/src/Kernel/UserEntityTest.php

@@ -91,4 +91,16 @@ class UserEntityTest extends KernelTestBase {
     $this->assertFalse((bool) $violations->count());
   }
 
+  /**
+   * Tests that ::existingPassword can be used for chaining.
+   */
+  public function testChainExistingPasswordMethod() {
+    /** @var \Drupal\user\Entity\User $user */
+    $user = User::create([
+      'name' => $this->randomMachineName(),
+    ]);
+    $user = $user->setExistingPassword('existing_pass');
+    $this->assertInstanceOf(User::class, $user);
+  }
+
 }